Home / 110,721,851.60-166,082,777.40-102,659,694.80

Finding the Fourth Proportional to 110,721,851.60, 166,082,777.40 and 102,659,694.80

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Solution

The fourth proportional to 110,721,851.60, 166,082,777.40 and 102,659,694.80 is: 153,989,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,721,851.60 : 166,082,777.40 = 102,659,694.80 : x
  2. Step 2: Convert to fraction form
    110,721,851.60/166,082,777.40 = 102,659,694.80/x
  3. Step 3: Cross multiply
    110,721,851.60x = 166,082,777.40 × 102,659,694.80
  4. Step 4: Simplify right side
    110,721,851.60x = 17,050,007,239,420,338
  5. Step 5: Solve for x
    x = 17,050,007,239,420,338/110,721,851.60
  6. Step 6: Final answer
    x = 153,989,542.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.